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Mathematics
Amiah Le
11 February, 16:17
What's the inverse of 4x + 12
+3
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Lisa Summers
11 February, 18:28
0
1/4x - 3
Step-by-step explanation:
To find the inverse of a function, exchange x and y and then solve for y
y = 4x+12
Exchange x and y
x = 4y+12
Solve for y
Subtract 12 from each side
x-12 = 4y+12-12
x-12 = 4y
Divide by 4
(x-12) / 4 = 4y/4
The inverse is
1/4x - 3
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